/* default*/
* {
    transition: 0.4s;
    padding: 0;
    margin: 0;
    font-family: "SimSun";
}

p {
    text-indent: 2em;
    font-family: "Marcellus SC", 'fallback', Helvetica, Arial, sans-serif !important;
}

body {
    background: url("../img/body_bg.jpg");
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

a {
    text-decoration: none;
    color: inherit;
}

li {
    list-style: none;
    text-align: center;
    z-index: 1;

}

.clear {
    clear: both
}

/* 头部 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    height: auto;
    background: black;
    padding-top: 40px;
}

header h1 {
    padding-right: 30px;
    padding-left: 40px;
    color: white;
    float: left;
}

.rolldown {
    top: -150px;
}

.rollup {
    top: 0;
    z-index: 10;
}

.li1 {
    float: left;

    width: 100px;
    height: 40px;
    padding-top: 15px;
    font-size: 20px;

    color: white;
    background: black;

}
.ul2{
    height: 0px;
}

.ul2 li {
    opacity: 0;
    height: 0px;
    padding-top: 15px;

    font-size: 18px;

    color: white;
    background: rgb(53, 28, 0);
}

header li:hover {
    background: gray;
}

.header .logo {
    float: right !important;
    height: 50px;
    padding-right: 30px;
    margin: 0;
}
.logo{
    padding-left: 15%;
    margin-top: 140px;
    margin-bottom: 30px;
    float: none;
}

.header span,a{
    width: 100%;
    height: 100%;
    display: block;
}

/* 自定义组件 */
#line_top {
    height: 16px;
    border-top: 4px solid #806f51;
    border-left: 4px solid #806f51;
    border-right: 4px solid #806f51;
}
#line_bottom {
    height: 16px;
    border-bottom: 4px solid #806f51;
    border-left: 4px solid #806f51;
    border-right: 4px solid #806f51;
}


#line{
    width: auto;
    height: 10px;
    background: url("../img/line.png");
    background-repeat: no-repeat;
    background-position: center;
}
#end{
    width: 100%;
    height: 100px;
}
/* ::content */
.content {
    color: white;
    height: auto;

    margin-left: 15%;
    margin-right: 15%;
    

    background: rgba(0, 0, 0, 0.8);

}
.introduce{
    
    padding-top: 30px;
    line-height: 2em;
    font-weight: lighter;
}
.introduce p{
    font-size: 0.9em;
}
.introduce q{
    margin-left: 50px;
    font-size: 2em;
    padding: 4px;
    border-radius: 5px;
}

/* 页尾 */
footer{
    margin-top:50px;
    padding-top: 80px;
    width: 100%;
    height: 100px;
    background: rgba(0, 0, 0, 0.568);
    color: white;
    text-align: center;
    bottom: 0%;
}

/* 浮动表单 */
.form{
    position: fixed;
    float: left;
    top: 300px;
    height: auto;
    width: 200px;
   
   
    line-height: 36px;
    background: #00000073;
}
.form h2{
    color: white;
    font-size: 1.5em;
}
form{
    text-align: center;
    padding: 10px;
    color: white;
}

form input{
    height: 30px;
    border: 3px solid #806f51;
}
form laber{
    font-size: 0.8em;
}
